Mobsters are smuggling guns into Hong Kong. The police orchestrate a raid at a teahouse where an ace detective loses his partner. Meanwhile, the two main gun smugglers are having a war over territory, and a young new gun is enlisted to wipe out informants and overcome barriers to growth. The detective, acting from inside sources, gets closer to the ring leaders and eventually must work with the inside man directly.

A violent Hong Kong action film, this is the story of an assassin, Jeffrey Chow (aka Mickey Mouse) who takes one last job so he can retire and care for his girlfriend Jenny. When his employers betray him, he reluctantly joins forces with Inspector Lee (aka Dumbo), the cop who is pursuing him. Together, the new friends face the final confrontation of the gangsters out to kill them.

Follows the exploits of two car thieves, and the female police officer who is on their trail.